1. Introduction
Welcome to the Haylou Solar Neo Smartwatch user manual. This guide provides essential information for setting up, operating, maintaining, and troubleshooting your new smartwatch. Please read this manual thoroughly to ensure optimal performance and longevity of your device.
2. Product Overview
The Haylou Solar Neo is a feature-rich smartwatch designed to enhance your daily life with health monitoring, fitness tracking, and communication capabilities. It features a vibrant 1.53-inch HD display and a durable design.

Figure 2.1: Front view of the Haylou Solar Neo Smartwatch. This image displays the watch's round face, white strap, and a digital-analog hybrid display with green accents, indicating various metrics.
Key Features:
- 1.53-inch HD Display for clear visuals.
- Up to 30 days battery life in basic mode, 7 days in daily use.
- Bluetooth calling functionality.
- Comprehensive health tracking: heart rate, SpO2, sleep, stress, female health, respiratory training.
- Over 100 sports modes for diverse fitness activities.
- Smart message notifications.
- Customizable watch faces.
3. Setup
3.1 Charging the Smartwatch
Before first use, fully charge your Haylou Solar Neo Smartwatch. Connect the magnetic charging cable to the charging contacts on the back of the watch and plug the USB end into a power adapter (5V/1A recommended).
3.2 App Installation and Pairing
- Download the official Haylou Fun app from your smartphone's app store (iOS or Android).
- Open the app and create an account or log in.
- Ensure Bluetooth is enabled on your smartphone.
- In the Haylou Fun app, navigate to 'Device' and select 'Add Device'.
- Select 'Haylou Solar Neo' from the list of available devices.
- Follow the on-screen prompts in the app and on your watch to complete the pairing process. Confirm the pairing request on both devices.
4. Operating Instructions
4.1 Basic Navigation
- Swipe Up/Down: Access quick settings or notifications.
- Swipe Left/Right: Navigate through widgets (e.g., heart rate, weather, activity data).
- Press Power Button: Wake/sleep screen, return to watch face, or access the app list.
- Press Sport Button: Quickly launch workout modes.

Figure 4.1: Side view of the smartwatch highlighting the power button (rotating crown) and the sport shortcut button.
4.2 Customizing Watch Faces
The Haylou Solar Neo offers hundreds of watch face options. To change the watch face:
- On the watch face screen, long-press the display.
- Swipe left or right to browse through pre-installed watch faces.
- Tap to select your desired watch face.
- More watch faces can be downloaded and customized via the Haylou Fun app.

Figure 4.2: A selection of customizable watch faces available for the Haylou Solar Neo Smartwatch.
5. Health Monitoring Features
The smartwatch provides comprehensive health tracking to help you monitor your well-being.

Figure 5.1: Health monitoring features in action, showing sleep tracking and various health data points.
5.1 Heart Rate Monitoring
The watch continuously monitors your heart rate. View your real-time heart rate on the watch or detailed historical data in the Haylou Fun app.
5.2 Blood Oxygen (SpO2) Tracking
Measure your blood oxygen saturation levels directly from your wrist. For accurate readings, ensure the watch is snug on your wrist and remain still during measurement.
5.3 Sleep Monitoring
Wear the watch to bed to track your sleep patterns, including deep sleep, light sleep, and awake times. Detailed analysis is available in the app.
5.4 Stress Monitoring and Respiratory Training
The watch can estimate your stress levels throughout the day. Utilize the guided respiratory training feature to help manage stress.
5.5 Female Health Tracking
For female users, the watch supports tracking of menstrual cycles and provides predictive reminders when configured in the Haylou Fun app.
6. Fitness Tracking
The Haylou Solar Neo supports over 100 sports modes to accurately track your workouts.

Figure 6.1: Smartwatch displaying workout data and various sports mode options during physical activity.
6.1 Starting a Workout
- Press the 'Sport' button on the side of the watch to quickly access the sports mode list.
- Alternatively, navigate to the 'Workout' app from the main menu.
- Select your desired activity (e.g., Outdoor Running, Cycling, Walking).
- Tap to start the workout. The watch will begin recording data such as duration, calories burned, and heart rate.
6.2 Ending a Workout
During a workout, swipe right to pause or end the activity. Confirm your choice on the screen.
7. Bluetooth Calling and Notifications
With its built-in microphone and speaker, the Haylou Solar Neo allows you to make and receive calls directly from your wrist when connected to your smartphone.

Figure 7.1: Smartwatch displaying a Bluetooth call and various app notification icons.
7.1 Making and Receiving Calls
- To make a call: Access the 'Phone' app on your watch, dial a number, or select a contact from your synced phonebook.
- To receive a call: When a call comes in, the watch will display the caller ID. Tap the green icon to answer or the red icon to reject.
7.2 Smart Notifications
Once paired with your smartphone, the watch will display notifications from various apps (e.g., messages, social media, emails). Ensure notification permissions are enabled in both your phone's settings and the Haylou Fun app.
8. Maintenance
8.1 Cleaning Your Smartwatch
Regularly clean your watch and strap to prevent skin irritation and maintain device hygiene. Use a soft, lint-free cloth. For stubborn dirt, dampen the cloth slightly with water. Avoid using harsh chemicals or abrasive materials.
8.2 Water Resistance
The Haylou Solar Neo is designed with a certain level of water resistance. Refer to the specifications for details (e.g., IP68). Avoid prolonged exposure to water, hot water, or steam, and do not press buttons underwater.
8.3 Battery Care
To prolong battery life, avoid extreme temperatures. Charge the watch fully before long periods of inactivity. Do not let the battery completely drain frequently.
9. Troubleshooting
9.1 Watch Not Turning On
- Ensure the watch is fully charged. Connect it to the charger for at least 30 minutes.
- Press and hold the power button for 10-15 seconds to force a restart.
9.2 Unable to Pair with Phone
- Ensure Bluetooth is enabled on your phone and the watch.
- Make sure the watch is within range of your phone.
- Restart both your phone and the watch.
- Clear the Bluetooth cache on your phone (Android) or forget the device and try pairing again.
- Ensure the Haylou Fun app is updated to the latest version.
9.3 Inaccurate Health Data
- Ensure the watch is worn snugly on your wrist, about one finger's width above the wrist bone.
- Keep the sensor clean and free from sweat or dirt.
- Avoid excessive movement during measurements.
9.4 Notifications Not Appearing
- Check if notification permissions are granted for the Haylou Fun app in your phone's settings.
- Ensure the Haylou Fun app is running in the background and not being closed by your phone's power-saving features.
- Verify that 'Do Not Disturb' mode is not active on either your watch or phone.
10. Specifications
| Manufacturer | Haylou |
| Model Number | NEOS |
| Display Size | 1.53 inches |
| Connectivity Technology | Bluetooth |
| Wireless Communication Standard | Bluetooth |
| Special Features | Voice call |
| Battery Cell Composition | Lithium Polymer |
| GPS | Built-in GPS |
| Item Shape | Round |
| Storage Capacity | 32 GB |
| Shipping Dimensions | 17.5 x 9.9 x 3.2 cm |
| Item Weight | 30 grams |
11. Safety Information
- Do not attempt to disassemble or modify the device.
- Keep the device away from extreme temperatures, direct sunlight, and open flames.
- Avoid exposing the device to strong impacts or drops.
- Consult a medical professional before starting any new exercise regimen, especially if you have pre-existing health conditions.
- If you experience skin irritation or discomfort from wearing the watch, discontinue use and consult a doctor.
12. Warranty and Support
Your Haylou Solar Neo Smartwatch comes with a standard manufacturer's warranty. For detailed warranty terms and conditions, please refer to the warranty card included in the product packaging or visit the official Haylou website. For technical support or service inquiries, please contact Haylou customer service through their official channels.





